{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64232",
    "entityType": "User",
    "nonce": "0x0b0d8331de53fbfacff08f13a1b2d336d24e68cf720be69bef00e98a33edb588",
    "signature": "0xff56e0dd98e594a3528682ef31941f2b964cd6b871ef7d5b299237ba0c589fc903febfd991dc0ea5b0e7216ae56d7805aeb4aee0595e8f5125fc461ab2abb4611c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}