{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1584941",
    "entityType": "User",
    "nonce": "0x078b408a07431a296ffdc39db7d704428dc758d6c8430085d755ebc466d0d22b",
    "signature": "0x1a84ade49b573f8f299b676f49373207be191668870ec2487a0a7462f14d72183ccee158983ba9eaf953adc1340d807d6ea4872c3bd745da17b59b6bb760d4b61b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}