{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "984215347",
    "entityType": "User",
    "nonce": "0xb86534544116dc9f62e7015f0bd49e951c598bc51cd6aba422638428353e3a6b",
    "signature": "0x25e3e5774a74727520f6419595597473df82fb2c93b0337a2d1a33c72434b83f0aca260f55d8674a52b8bde2c45b9c8148484c55d4ed99012aabaf2a9a9362041b",
    "signer": "0x2acBF90b188BEa0e543bF348864E8a02E3814819",
    "userId": "969601314"
  }
}