{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1967218",
    "entityType": "User",
    "nonce": "0xb625558b8a2d33c2b542502fe9ea2685f9115ddd6563e4e37e789614d7f15e1b",
    "signature": "0x2a5992af429232b2316dda9fe497c11d75bd1ba65d393a5de0667a7ef57638503294018df00f85c18534ad5b3ad18de7dc0260915b3252206fe54b887d00c36d1c",
    "signer": "0x2acBF90b188BEa0e543bF348864E8a02E3814819",
    "userId": "969601314"
  }
}